Senior Test Automation Engineer

Antler; San Francisco (CA); On-site; USD 100,000 - 130,000; Full time

Job summary

Antler, located in San Francisco, is seeking a skilled test automation expert to design and develop robust automation frameworks for UI, API, and backend testing. This role involves mentoring junior QA engineers, driving automation excellence, and collaborating closely with developers throughout the development lifecycle.

The ideal candidate will have a BS/MS degree in Computer Science or a related field, along with 5-8 years of experience in automated testing, particularly using JavaScript, Python, or Java. This position offers an exciting opportunity to work on complex technical challenges and contribute to process improvements.

Qualifications

• 5-8 years of experience in automated testing for UI and API.
• Strong knowledge of software QA methodologies, tools, and processes.
• Experience writing test plans and test cases.

Responsibilities

• Design robust automation frameworks for various types of testing.
• Mentor junior QA engineers through technical coaching.
• Collaborate with developers and product managers throughout the lifecycle.

Skills

Automated testing

JavaScript

Python

Java

Quality Assurance methodologies

Cypress

Appium

Selenium

Pytest

Test plan writing

Education

BS/MS degree in Computer Science or related subject

Tools

Cypress

Appium

Selenium

Pytest

Job description

You will be a technical expert in test automation, working independently on complex testing challenges. You will build sophisticated automation solutions, mentor team members, and serve as a technical resource for quality engineering. You will continue hands on test execution while taking on more complex scenarios and driving automation excellence.

What You'll Do

• Design and develop robust automation frameworks for UI, API, and backend testing with a focus on scalability and reusability.
• Own automation for complex, cross-system features requiring advanced technical solutions.
• Optimize and maintain CI/CD test pipelines for reliability, speed, and coverage.
• Debug and resolve complex test failures and framework issues independently.
• Build reusable test utilities and libraries to improve team efficiency.
• Handle complex integration testing across multiple systems and third-party services.
• Design and implement comprehensive test cases for complex features.
• Perform manual testing for critical scenarios and exploratory testing.
• Execute regression testing and manage defect lifecycle.
• Support production issues investigation and validation.

Design & Technical Planning

• Define test approach and strategy for complex features and technical initiatives.
• Conduct a thorough technical analysis of requirements to identify edge cases, dependencies, and quality risks.
• Evaluate and recommend testing tools through POCs and technical assessments.
• Provide technical input in architecture and design reviews to ensure testability.
• Perform detailed root cause analysis of critical defects and production issues.

Mentorship & Technical Guidance

• Mentor junior QA engineers through code reviews, pairing sessions, and technical coaching.
• Lead knowledge-sharing sessions on advanced testing topics and tools.
• Set the standard for automation code quality and testing best practices.
• Guide the team on complex technical problems and debugging approaches.
• Collaborate closely with senior developers on quality and testability improvements.

Collaboration & Quality Advocacy

• Work independently with minimal supervision on high-complexity testing efforts.
• Collaborate closely with developers and product managers throughout the development lifecycle.
• Proactively identify and drive process improvements within the testing workflow.
• Contribute to internal documentation and testing guidelines.
• Stay current with industry trends and bring new ideas to the team.

What we are looking for

• BS/MS degree in Computer Science or a related subject
• 5-8 years+ and above work experience in automated testing for UI(Android, iOS, and Web) or API using JavaScript, Python, or Java, JavaScript is preferred
• Strong knowledge of software QA methodologies, tools, and processes
• Strong knowledge of writing clear, concise, and comprehensive test plans and test cases
• Hands‑on experience with automated testing tools, e.g., Cypress, Appium, Selenium, or Pytest.
• Passionate about writing testing cases and learning new technologies